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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_COPYLEFT_TETGEN_TETGENIO_TO_TETMESH_H
#define IGL_COPYLEFT_TETGEN_TETGENIO_TO_TETMESH_H
#include "../../igl_inline.h"
#ifndef TETLIBRARY
#define TETLIBRARY
#endif
#include "tetgen.h" // Defined tetgenio, REAL
#include <vector>
#include <unordered_map>
#include <Eigen/Core>
namespace igl
{
namespace copyleft
{
namespace tetgen
{
/// Convert a tetgenio to a tetmesh
///
/// @param[in] out output of tetrahedralization
/// @param[out] V #V by 3 list of mesh vertex positions
/// @param[out] T #T by 4 list of mesh tet indices into V
/// @param[out] F #F by 3 list of mesh triangle indices into V
/// @param[out] TM #T by 1 list of material indices into R
/// @param[out] R #TT list of region ID for each tetrahedron
/// @param[out] N #TT by 4 list of indices neighbors for each tetrahedron ('n')
/// @param[out] PT #TV list of incident tetrahedron for a vertex ('m')
/// @param[out] FT #TF by 2 list of tetrahedrons sharing a triface ('nn')
/// @param[out] num_regions Number of regions in output mesh
///
/// \bug Assumes that out.numberoftetrahedronattributes == 1 or 0
template <
typename DerivedV,
typename DerivedT,
typename DerivedF,
typename DerivedTM,
typename DerivedR,
typename DerivedN,
typename DerivedPT,
typename DerivedFT>
IGL_INLINE bool tetgenio_to_tetmesh(
const tetgenio & out,
Eigen::PlainObjectBase<DerivedV>& V,
Eigen::PlainObjectBase<DerivedT>& T,
Eigen::PlainObjectBase<DerivedF>& F,
Eigen::PlainObjectBase<DerivedTM>& TM,
Eigen::PlainObjectBase<DerivedR>& R,
Eigen::PlainObjectBase<DerivedN>& N,
Eigen::PlainObjectBase<DerivedPT>& PT,
Eigen::PlainObjectBase<DerivedFT>& FT,
int & num_regions);
}
}
}
#ifndef IGL_STATIC_LIBRARY
# include "tetgenio_to_tetmesh.cpp"
#endif
#endif